·78·史里塞旦竖型叁查!塑堡!旦笙!!鲞签1塑鱼!垫一JPra—etOp—hthalmo—l!Janua—ry—200—9,一V!l27.No.1·论著:技能体会·高度近视的屈光度影响因素多元线性回归分析严宗辉夏红和王海荣【摘要】目的分析高度近视眼屈光度的相关影响因素.明确高度近视眼患者的眼轴长度、角膜曲率、前房深度等闲素与屈光度的关系。方法对42例(77只眼)屈光度>一7.0D的高度近视眼患者进行研究,以前房深度、晶状体厚度、玻璃体腔深度、角膜曲率(K1/K2)、眼轴长度、角膜厚度,眼压为自变量。以等效球镜sE作为冈变鼍,用多元线性同归模型筛选出有影响的因素,并比较各因素影响力的大小。采用SPSS13.0统计软件进行多元线性逐步回归分析。结果经相关分析,得到线性回归方程为:等效球镜(屈光度):一39.558+1.141×眼轴长度+O.560x角膜曲率K2一1.515x前房深度一0.089xH艮压。回归效果检验F=60.114(P<0.01)。结论眼轴长度、角膜曲率K2、前房深度,眼压对高度近视眼屈光度有明显影响,其中眼轴长度对高度近视眼屈光度影响显著。【关键词】高度近视;屈光度;多元线性回归分析AmultiplelinearregressionanalysisonthediopterofhighmyopiaYANZong-hui,XIAHong-he,WANGHai-rong.ShenzhenEyehospital,Sheazhen,518001,ChinaIAbstracaObjectiveToinvestigatetheinfluentialfactorscorrelatedtodiopterofhighmyopia,andtofindouttherelationsbetweenthesphereequivalent(SE)andaxiallength(AL),cornealrefractivepower,an—teriorchamberdepth(ACD)。intraocularpressure(IOP)ofhighmyopia。MethodsForty-twocases(77eyes)ofhighmyopia(diopter>7.0D)werestudied.111eaxiallength(AL),cornealrefractivepower(K1/K2),anteriorchamberdepth(ACD)。lensthickness。vitreouschamberdepth(VCD),cornealthickness(CT)andintraocularpressure(IOP)wereusedasindependentvariables,sphereequivalent(SE)asdepedentvariable.ThevaluableinfluencefactorswerefiltratedandformulatedusingmultiplelinearregressionmodelwithSPSSl3.0.Results111eaxiallength(AL)。cornealrefractivepowerK2,anteriorchamberdepth(ACD),intraocularpressure(10P)werefoundrelatedtohi曲myopia.TheregressionequationwasasfollwedSE一39.558+1.141xAL+0.560xK2.1.515xACD.0.089xIOP.Ofthisequation,F=60.114(P